8 ideas
15943 | Limitation of Size is not self-evident, and seems too strong [Lavine on Neumann] |
23026 | We know mathematical axioms, such as subtracting equals from equals leaves equals, by a natural light [Leibniz] |
13672 | All the axioms for mathematics presuppose set theory [Neumann] |
13189 | A necessary feature (such as air for humans) is not therefore part of the essence [Leibniz] |
19432 | Intelligible truth is independent of any external things or experiences [Leibniz] |
19430 | We know objects by perceptions, but their qualities don't reveal what it is we are perceiving [Leibniz] |
19431 | There is nothing in the understanding but experiences, plus the understanding itself, and the understander [Leibniz] |
20761 | If existence is absurd it can never have a meaning [Beauvoir] |